Title
Search for new bottomlike quark pair decays QQ̄→(tW) (t̄W<sup>±</sup>) in same-charge dilepton events
Date Issued
05 March 2010
Access level
open access
Resource Type
journal article
Author(s)
Aaltonen T.
Adelman J.
González B.A.
Amerio S.
Amidei D.
Anastassov A.
Annovi A.
Antos J.
Apollinari G.
Apresyan A.
Arisawa T.
Artikov A.
Asaadi J.
Ashmanskas W.
Attal A.
Aurisano A.
Azfar F.
Badgett W.
Barbaro-Galtieri A.
Barnes V.E.
Barnett B.A.
Barria P.
Bartos P.
Bauer G.
Beauchemin P.H.
Bedeschi F.
Beecher D.
Behari S.
Bellettini G.
Bellinger J.
Benjamin D.
Beretvas A.
Berge D.
Bhatti A.
Binkley M.
Bisello D.
Bizjak I.
Blair R.E.
Blocker C.
Blumenfeld B.
Bocci A.
Bodek A.
Boisvert V.
Bortoletto D.
Boudreau J.
Boveia A.
Brau B.
Bridgeman A.
Brigliadori L.
Bromberg C.
Brubaker E.
Budagov J.
Budd H.S.
Budd S.
Burkett K.
Busetto G.
Bussey P.
Buzatu A.
Byrum K.L.
Cabrera S.
Calancha C.
Camarda S.
Campanelli M.
Campbell M.
Canelli F.
Canepa A.
Carls B.
Carlsmith D.
Carosi R.
Carrillo S.
Carron S.
Casal B.
Casarsa M.
Castro A.
Catastini P.
Cauz D.
Cavaliere V.
Cavalli-Sforza M.
Cerri A.
Cerrito L.
Chang S.H.
Chen Y.C.
Chertok M.
Chiarelli G.
Chlachidze G.
Chlebana F.
Cho K.
Chokheli D.
Chou J.P.
Chung K.
Chung W.H.
Chung Y.S.
Chwalek T.
Ciobanu C.I.
Ciocci M.A.
Clark A.
Clark D.
Compostella G.
Convery M.E.
Conway J.
Publisher(s)
American Physical Society
Abstract
We report the most restrictive direct limits on masses of fourth-generation down-type quarks b′, and quarklike composite fermions (B or T5/3), decaying promptly to tW. We search for a significant excess of events with two same-charge leptons (e, μ), several hadronic jets, and missing transverse energy. An analysis of data from pp̄ collisions with an integrated luminosity of 2.7fb-1 collected with the CDF II detector at Fermilab yields no evidence for such a signal, setting mass limits mb ′, mB>338GeV/c2 and mT5/3>365GeV/c2 at 95% confidence level. © 2010 The American Physical Society.
Volume
104
Issue
9
Language
English
OCDE Knowledge area
Física de partículas, Campos de la Física
Subjects
Publication version
Version of Record
Scopus EID
2-s2.0-77749338848
Source
Physical Review Letters
ISSN of the container
10797114
Sponsor(s)
Science and Technology Facilities Council (PP/E000444/1, ST/H001026/1, ST/H001026/2, ST/H001069/1, ST/H001077/1)
Sources of information:
Directorio de Producción Científica
Scopus